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§ Private Profile · London, United Kingdom
The fastest open source time series database
QuestDB has raised $14.0M across 2 funding rounds.
Key people at QuestDB.
QuestDB was founded in 2019 by Nicolas Hourcard (Founder) and Tancrede Collard (Founder) and Vlad Ilyushchenko (Founder).
QuestDB has raised $14.0M in total across 2 funding rounds.
QuestDB is a high-performance, open-source database for time series data. It focuses on fast ingest, blazingly fast queries and superior developer experience with SQL and open formats.
QuestDB is designed from the ground up to operate as close to the hardware as possible -- eliminating ingestion bottlenecks and lowering overall hardware requirements.
QuestDB powers the infrastructure for companies in Financial Services, Crypto/Web3, Space Exploration, and Energy/Renewables.
QuestDB is an open-source, high-performance time series database designed to efficiently handle large volumes of time-stamped data with ultra-low latency and high throughput. It supports standard SQL with specialized time-series extensions, enabling developers and data scientists to perform real-time analytics on IoT data, financial market data, telemetry, and operational metrics. QuestDB’s architecture leverages modern hardware capabilities, including SIMD instructions and multi-threaded execution, to deliver millions of rows ingested per second and fast query responses, all while maintaining scalability and ease of integration with popular tools and programming languages[1][2][3][4].
For an investment firm, QuestDB’s mission centers on providing a next-generation time series database that eliminates vendor lock-in through open formats like Apache Parquet and offers superior performance and developer experience. Its investment philosophy likely emphasizes backing technologies that solve critical data infrastructure challenges with open-source innovation and hardware-efficient design. Key sectors include financial markets, IoT, telemetry, and real-time analytics, where fast, scalable time series data processing is essential. QuestDB’s impact on the startup ecosystem is significant as it advances open-source database technology, enabling startups and enterprises to build real-time data-driven applications with lower total cost of ownership and no vendor lock-in[1][4][6].
For a portfolio company, QuestDB builds a time series database product that serves developers, data engineers, and enterprises needing real-time ingestion and querying of time-stamped data. It solves problems related to high-throughput data ingestion, low-latency queries, out-of-order data handling, and cost-efficient long-term storage. QuestDB’s growth momentum is strong, with adoption by major financial institutions and exchanges, continuous product innovation (e.g., QuestDB Enterprise with advanced security and multi-primary writes), and expanding cloud deployment options[4][6].
QuestDB was founded by a team with deep expertise in high-frequency trading systems and database engineering. The idea emerged from the need for a time series database optimized for financial market data and real-time analytics, where existing solutions lacked performance and imposed vendor lock-in due to proprietary formats. The founders leveraged their background in low-latency systems to build QuestDB from scratch, focusing on a columnar storage model, zero garbage collection in Java, and SIMD-accelerated query execution. Early traction came from adoption by financial institutions and exchanges such as OKX, B3 Exchange, and Mizuho Bank, validating its performance and specialized features for trading and telemetry data[4][5].
QuestDB rides the growing trend of real-time data analytics and time series data explosion driven by IoT, financial markets, cloud computing, and AI/ML workloads. The timing is critical as organizations demand low-latency, high-throughput data platforms that can scale cost-effectively while avoiding vendor lock-in. Market forces such as the proliferation of sensor data, algorithmic trading, and operational monitoring create strong demand for specialized time series databases. QuestDB influences the ecosystem by pushing open-source innovation in this niche, providing a performant alternative to legacy and proprietary systems, and enabling interoperability with modern data science and cloud-native tools[1][3][4][8].
QuestDB is positioned to continue expanding its footprint in financial services, IoT, and real-time analytics sectors by enhancing its enterprise features, cloud deployment options, and ecosystem integrations. Future trends shaping its journey include the rise of edge computing, AI-driven analytics on time series data, and increasing demand for multi-cloud and hybrid cloud architectures. QuestDB’s commitment to open formats and hardware-efficient design will likely strengthen its influence as organizations seek flexible, high-performance data infrastructure without vendor lock-in. Its evolution from a niche financial market tool to a broadly applicable time series platform underscores its potential to become a foundational technology in the data-driven economy[4][6].
Key people at QuestDB.
QuestDB has raised $14.0M across 2 funding rounds. Most recently, it raised $12.0M Series A in November 2021.
QuestDB was founded in 2019 by Nicolas Hourcard (Founder) and Tancrede Collard (Founder) and Vlad Ilyushchenko (Founder).
QuestDB has raised $14.0M in total across 2 funding rounds.
QuestDB's investors include 10100, 468 Capital, Alchemy Ventures, Alumni Ventures, Ambush Capital, Andreessen Horowitz, Awesome People Ventures, backtrace capital, Batalion Capital, Broadstone, Capital Factory, Form Capital.
